View proofs with Overprint Preview in Acrobat Professional v.6-8

If your proofs shows strange lines that make text and vector objects appear to be thinned or bold, you can view your proof in Overprint Preview. This feature is only supported in Acrobat "Professional" version 6-8. Acrobat "Viewer" does not support overprint preview. Please keep in mind that the trapping effects shown in your PDF viewer program will not be visible on the final print.

To view your proofs in Overprint Preview:

On your Acrobat Professional program, go to Advance on top menu, then select Print Production, and select Overprint Preview and Output Preview.